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Support attribute modifiers like if_not_exists in ddb sink updateExpression #433

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#435
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Support attribute modifiers like if_not_exists in ddb sink updateExpression#433
#435

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@petermyers
petermyers
opened on Nov 24, 2025

would be also nice to have an option to use functions such as if_not_exists(path, value) too

UpdateExpression: "SET #attr = if_not_exists(#attr, :val)"

Very useful for fields such as createdOn etc.

Originally posted by @vsnig in #432 (comment)

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